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Hace 5 días · Natural selection is differential reproduction. Demographic and ethnographic, historical and genetic evidence suggest that, over the course of our evolutionary past, members of H. sapiens varied in reproductive success. Selection for emotions and other adaptations underlying intrasexual and intersexual competition should have been ...
20 de may. de 2024 · La sinopsis de un libro es una herramienta fundamental en el mundo editorial, siendo la puerta de entrada que guía a los lectores potenciales hacia la trama, los personajes y el tono de una obra. En este artículo exploraremos qué es una sinopsis de libro, cómo crearla de manera efectiva y algunos ejemplos de sinopsis de libros ...
3 de may. de 2024 · Sinopsis de los libros de Paloma Navarrete Experiencias en la frontera (2014) Se trata de un libro autobiográfico que narra la infancia, los primeros años de carrera y el aprendizaje que Paloma Navarrete adquirió durante todo su entrenamiento como vidente, médium y experta en contactar a los fallecidos.
8 de may. de 2024 · Abstract. Sexual selection often drives traits in a direction that is disfavored by natural selection. The balance between these two types of selection can shift rapidly in response to environmental changes.
Hace 5 días · Now, an analysis of ancient and modern genomes suggests contemporary people’s Neanderthal DNA came from a single, prolonged period of mixing some 47,000 years ago. The findings—released last week as a bioRxiv preprint that has yet to undergo peer review—sharpen the timeline for this critical and mysterious juncture in human history.
Hace 4 días · Natural selection, process in which an organism adapts to its environment through selectively reproducing changes in its genotype. It reduces the disorganizing effects of migration, mutation, and genetic drift by multiplying the incidence of helpful mutations, since harmful mutation carriers leave few or no offspring..
11 de may. de 2024 · 66 views 24 minutes ago. What process could have generated the sophisticated complexity of the human eye, the elegance of the bacterial flagellum, or the fine-tuned structure of a honey bee’s...
